Perhaps you should try some spelling variations:
thanh trung » thanh tung
chua xang » chua nang, chuc nang, chu bang
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
chu xanh » chu manh, chieu xanh, chuc danh
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) OR (chua xang)) - thanh trung cua thong ((cong tan) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - thanh trung cua thong ((cong tan) OR (cong san)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - thanh trung cua thong ((cong tan) or (cong san)) phan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - thanh trung cua thong ((cong tan) or (cong san)) phan cau*.